baber/WOPTO huggingface dataset:
Patent JP-2003330172-A (JP)
Title: Positive photosensitive composition
Inventor: SATO KENICHIRO
IPC: G03F7/004
Filed: 2002-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a positive photosensitive composition giving good pattern profile particularly free of a defective trailing shape of a line pattern on a glass substrate (SOG substrate) and an overhang shape of a contact hole and having a wide side lobe margin.  <P>SOLUTION: The positive photosensitive composition comprises (A) a compound having a phenacylsulfonium salt structure and an alkylsulfonium salt compound which generate acids upon irradiation with an actinic ray or a radiation and (B) resin which contains a repeating unit having a lactone structure as well as a norbornane structure and is decomposed by the action of an acid to increase solubility in an alkali developer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003330033-A (JP)
Title: Image display
Inventor: ISHII MASAHIRO
IPC: G02F1/1345
Filed: 2002-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an image display capable of displaying an image without uneven brightness.  <P>SOLUTION: A plurality of drain signal lines are formed in parallel on the pixel-formed side of a substrate, and each drain signal line is grouped with the adjacent drain signal lines, and also one end of each drain signal line grouped with each other is made to converge and extend to be connected to an output terminal of a semiconductor integrated circuit constituting a video signal driving circuit; bus lines which are formed at least on the outline side of the video signal driving circuit side of a pixel aggregate and are for supplying the reference voltage to each pixel; a 1st power supply line running outside the grouped drain signal lines from both sides of the semiconductor integrated circuit and connecting to the bus lines, and a 2nd power supply line to be connected to the bus lines approximately at the central part of the grouped drain signal lines are formed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002357177-A (JP)
Title: Method and device for controlling variable displacement hydraulic pump
Inventor: DU HONGLIU
IPC: F04B1/32
Filed: 2002-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for controlling a variable displacement hydraulic pump. SOLUTION: This method and a device for controlling a variable displacement hydraulic pump pivoted with a swash plate decides a required swash plate angle as a function of a pump output limit, an actual swash place angle, and a discharging pressure of the pump; moves a servo valve spool to a required position according to the required swash plate angle, the actual swash plate angle, and the function of the discharging pressure; and responsively moves the swash plate to the required swash place angle position.
Patent JP-2003336953-A (JP)
Title: Control device for motor
Inventor: HATTORI MAKOTO
IPC: F25D17/02
Filed: 2002-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To prevent semiconductor elements from being heated beyond a heat resisting temperature by efficiently cooling the elements in a hot atmosphere.  <P>SOLUTION: A cooling passage for passing refrigerant is provided in a radiating body 4 formed of a conductor having the semiconductor elements 6 installed on the surface thereof so that the refrigerant can be fed from a refrigerant supply source into the cooling passage. A cooling plate 2 formed of a conductor is installed in the radiating body 4 in fitted state, and a cooling passage for flowing cooling water is provided in the cooling plate 2 so that the cooling water can be fed from a cooling water supply source into the cooling passage. At least either of the refrigerant supply source and the cooling water supply source is operated to cool at least either of the radiating body 4 and the cooling plate 2 so as to efficiently cool the semiconductor elements 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003329823-A (JP)
Title: Optical element using one-dimensional photonic crystal and spectroscopic system using the same
Inventor: KIKKO SHIGEO
IPC: G02B1/02
Filed: 2002-05-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spectroscopic element with large wavelength dispersion and a small spectroscopic system using the spectroscopic element.  <P>SOLUTION: This optical element using one-dimensional photonic crystal is realized by an element 20 which is composed of a multilayer film layer 1 and worked into a triangular prism shape. A phase modulation means 6 is provided in the vicinity of or allowed to abut on a light incident end face of the element, phase modulation having the same cycle and direction as those of the photonic crystal is applied to incident light 3, and only particular higher order band light can be propagated. The small spectroscopic system having high resolution can be provided by forming the optical element in an optical waveguide.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003334875-A (JP)
Title: Trim material of car and base material therefor
Inventor: KOYAMA RYOHEI
IPC: B32B3/24
Filed: 2002-05-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a base material for a trim material of a car capable of reducing the noise in the car in order to enhance the comfortability of a passenger while holding characteristics as the base material for the trim material of the car such as lightweight properties, heat insulating properties, molding processability, heat resistance or the like, and to provide the trim material of the car obtained therefrom.  <P>SOLUTION: The base material for the trim material of the car is obtained by laminating an impermeable film on either one of both surfaces of a foamed laminated sheet, wherein the base material has through-holes and having an air impermeable film for sealing the through-holes laminated thereto and has a foamed layer as a core layer, and non-foamed layers are laminated on both surfaces of the foamed layer. This base material has a high sound absorbing capacity by utilizing the interference effect of the vibration of the film on the through-holes and the sonic waves in the air layer behind the base material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003338510-A (JP)
Title: Compound field effect semiconductor device
Inventor: SAWADA KEN
IPC: H01L21/338
Filed: 2002-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To improve the reliability of an element by applying a simple modification to the structure of an ohmic electrode and of a recess to make the collision of ions by a current flowing in a channel during the operation of the element hardly occur, in a compound field effect semiconductor device.  <P>SOLUTION: The compound field effect semiconductor device comprises an ohmic recess formed in part of a drain electrode region by removing a cap layer 5 to shift a current concentration region from field concentration regions formed on both ends in the gate width direction; a source-side ohmic electrode 11S which is formed on the cap layer 5 and is alloyed; and a drain-side recess ohmic electrode 12D which is formed in a region including the ohmic recess and is alloyed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003050327-A (JP)
Title: Optical waveguide device and method for manufacturing the same
Inventor: NORO YOSHIHIKO
IPC: G02B6/12
Filed: 2002-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a small optical waveguide device and a method for manufacturing the device at low cost in which device the variation in optical path due to a variation in temperature does not occur substantially for a practical use and a light transmission loss is small. SOLUTION: The device is provided with an array waveguide 4 as a core, a substrate 1 encloses the periphery of the core and is a clad having the refractive index is smaller than that of the core and an upper clad layer 10, the core and the clad are integrally jointed so that an expansion or a contraction due to the variation in temperature take place substantially according to the characteristic of the clad and the materials of the core and clad are so selected that the variation in the optical path length according to the expansion or the contraction of the clad due to the variation in temperature is cancelled out with the variation in the optical path according to the variation in the refractive index of the core due to the variation in temperature.
Patent JP-2002352470-A (JP)
Title: Optical recording medium
Inventor: WADA HIDEHIKO
IPC: G11B7/135
Filed: 2002-05-21
Abstract: PROBLEM TO BE SOLVED: To provide an optical recording/reproducing device and an optical recording medium used in it, in which compensation effect does not drop even if the objective lens moves. SOLUTION: In the 1st optical recording medium which has a recording layer for information recording, and the 2nd optical recording medium which has more than two recording layers for information recording, the distance A from the surface 121s of the first recording medium to the recording layer of the firs recording medium equals the distance B from the surface 122s of the second recording medium to one of the recording layers included in the second recording medium.
Patent JP-2003073191-A (JP)
Title: Method of producing epitaxial wafer
Inventor: ASAYAMA HIDEKAZU
IPC: C30B33/02
Filed: 2002-05-23
Abstract: PROBLEM TO BE SOLVED: To produce an epitaxial wafer having a certain level gettering capacity regardless of the position of an ingot. SOLUTION: This production method for the epitaxial wafer comprises subjecting a silicon wafer sliced from a single crystal ingot grown by doping with not less than 1×10<13> atoms/cm<3> of nitrogen to a heat treatment at a temperature of not lower than 700 deg.C but lower than 900 deg.C for 15 min. to 4 hrs. and then to an epitaxial growth treatment on a wafer surface. In this case, it is preferable to regulate an oxygen concentration in the silicon wafer to 11×10<17> atoms/cm<3> or more, and to carry out the above heat treatment in the atmosphere of a mixture of oxygen and inert gas prior to the step of mirror polishing of wafers.  Further, in the growth of the single crystal ingot, it is desirable to slow a pulling rate in starting tail formation as compared with that of the body, or to control a cooling rate from 1,050 deg.C to 700 deg.C to 2.5 deg.C/min or lower in the body region to 200 mm above the boundary of the body and tail of the single crystal ingot.
Patent JP-2003347418-A (JP)
Title: Semiconductor device and method of manufacturing the same
Inventor: MURAKAMI YOSHINORI
IPC: H01L29/861
Filed: 2002-05-23
Abstract: <P>PROBLEM TO BE SOLVED: To reduce an area and a mounting area of a transistor chip and a reflux diode chip, which are to be used in an inverter circuit.   <P>SOLUTION: A transistor region Q which comprises an emitter region of a first conductivity type and a base region of the opposite conductivity type, and a rectifier diode region D having a little inverse recovery current are formed in one principal plane of a chip which is a semiconductor substrate of the first conductivity type. A first electrode to which the emitter region and a rectifier diode region existing on the principal plane are to be connected is formed to function as an emitter electrode of the transistor region Q and one of electrodes of a rectifier diode. A second electrode connected to the semiconductor substrate is formed to function as a collector electrode of the transistor region and the other electrode of the rectifier diode. The rectifier diode is so structured that a direction of a forward current thereof flowing in the semiconductor substrate may be opposite to a direction of a forward main current of the transistor region. The transistor region is surrounded by the rectifier diode region.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003345103-A (JP)
Title: Image forming apparatus
Inventor: TAKEUCHI TOSHIMITSU
IPC: G03G15/01
Filed: 2002-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that improves the printing speed in a monochrome mode by preventing a trouble such as 'agent fall' without altering the structures of developing devices.   <P>SOLUTION: In the image forming apparatus in which a plurality of developing devices each having a stir roller for stirring two-component developer composed of toner and carrier and a developer supply roller for supplying the developer stirred by the stir roller to the surface of the photoreceptor drum are arranged side by side around a single photoreceptor drum, and a color image is formed by sequentially supplying the developers from the corresponding developing devices to the photoreceptor drum, if any one of the developing devices does not supply the corresponding developer to the photoreceptor drum during a print job (YES in S1), the developing device that does not supply the developer is caused to perform an aging operation (S4, S8) after the print job in finished (YES in S2).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003339344-A (JP)
Title: Diet food
Inventor: TAKAGAKI KINYA
IPC: A23L33/00
Filed: 2002-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a diet food.   <P>SOLUTION: The diet food comprises (A) at least one ingredient selected from the group consisting of milk protein and soybean protein, (B) at least one ingredient selected from the group consisting of yeast and sesame and (C) dietary fiber, and also preferably, (D) a calcium compound and optionally (E) casein phosphopeptide.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003345968-A (JP)
Title: Mobile phone opt-in mail management system
Inventor: HARA KOJI
IPC: H04W4/12
Filed: 2002-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To establish a system of a personal information security management and an effective opt-in mail transmission management for advertisement intended for mobile phone users using opt-in mail by automating e-mail address registration and e-mail transmission.   <P>SOLUTION: The opt-in mail management system comprises an opt-in mail management center which makes, sends, and manages opt-in mail, shops which want to use opt-in mail, mobile phone users who agree to receive opt-in mail, a mail management mean of the opt-in mail management center which receives requests of opt-in mail from the shops, and controls processes of making through sending opt-in mail while protecting customer's personal information, and a transmission means which automatically transmits a customer's email address to a customer mobile phone mail address database of the opt-in mail management center when the customer's mobile phone, who visits a shop, is connected to an adaptor.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004005034-A (JP)
Title: Commodity sales data processor
Inventor: MURAKOSHI AKINOBU
IPC: G07G1/00
Filed: 2002-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To enable the read/write of data to a non-contact IC card and realize space-saving in a commodity sales data processor.  <P>SOLUTION: A POS terminal 1 as the commodity sales data processor, which is located between an operator and a customer to execute sales processing of commodities, comprises a card mount part 10 for placing a noncontact IC card, which is provided on the customer side; and a noncontact card reader/writer provided in a position capable of transmitting and receiving radio waves to the noncontact IC card placed in the card mount part 10 to read/write data through the radio waves. Since the POS terminal 1 is integrated to the noncontact card reader/writer, the read/write of data to the noncontact IC card can be performed, and the space-saving can be realized.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004001138-A (JP)
Title: Walking robot
Inventor: HIRATSUKA KOICHI
IPC: B25J5/00
Filed: 2002-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure of a leg of a four-node link mechanism for weakening electronic controllability and strengthening mechanical controllability.  <P>SOLUTION: A body 2 is formed by relatively moving first body 5 and second body 6. The leg 1 is constituted of a plurality of first legs 51 for supporting the first body 5 and a plurality of second legs 55 for supporting the second body 6. The first leg 51 is formed by a first four-node non-parallel link. The second leg 55 is formed by a second four-node non-parallel link. Constraining first two nodes 43 and 44 to be two nodes of the first four-node non-parallel link are constrained by the first body 5. A first landing point 66 or 83 is set at an extended portion 52 of the first link 49 for coupling two other free nodes of the first four node non-parallel link. A locus of the first landing point 83 is an approximate vertical line when the first body 5 is at a reference attitude. A locus of a second landing point is also an approximate vertical line. The four-node link mechanism has rigidity and strength to simplify an electronic control.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004011667-A (JP)
Title: Roller bearing and cage for the same
Inventor: SAKAGUCHI TOMOYA
IPC: F16C33/38
Filed: 2002-06-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cage shaped so as to make a roller in face contact with pocket faces even when the cage is misaligned.  <P>SOLUTION: This roller bearing has a pair of concave pocket faces 11, 11' facing to each other in the peripheral direction to define a pocket of the cage 10 storing the roller 3. The pocket faces 11, 11' are in arcuate shape and their centers of curvature are made different from each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004008837-A (JP)
Title: S/o suspension, s/o/w emulsion, and their manufacturing method
Inventor: NAKAJIMA TADAO
IPC: B01J13/00
Filed: 2002-06-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide S/O/W emulsion which disperses fine S/O particles therein, contains a large content of enclosed material therein, and inhibits the leak of the enclosed material, and a manufacturing method therefor.  <P>SOLUTION: S/O suspension disperses water-soluble solid substances as particles of an average diameter of 20 nm to 10 μm in an oil phase. A S/O suspension manufacturing method is to dehydrate a W/O emulsion. In the S/O/W emulsion, the S/O particles each where the water-soluble solid substances are enclosed in the oil phase are dispersed in an external water phase, and the S/O particles have an average diameter of 100 nm to 100 μm. The S/O/W emulsion manufacturing method comprises making the S/O suspension permeat through a porous membrane and dispersing it in the external water phase. In a releasing method where the water-soluble solid substances are released by using the S/O/W emulsion, the osmotic pressure of the external water phase in the S/O/W emulsion is made lower than that in the saturated solubility of the water-soluble solid substances, thereby releasing the water-soluble solid substances from the oil phase.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003092821-A (JP)
Title: Retention structure for long article
Inventor: SUZUKI YASUTAKA
IPC: H02G3/38
Filed: 2002-06-06
Abstract: PROBLEM TO BE SOLVED: To retain long article such as a wire harness without falling off. SOLUTION: A pair of retention pieces 25 and 26 are provided aslant for the space in which long goods is pushed through. One retention piece is made short, the other retention piece is made long, and the tip or the middle in longitudinal direction of the long retention piece is so opposed as to cross the extension of the short retention piece 25. This retention structure is equipped with a retention arm where at least either retention piece is projected. Or, this is equipped with a pair of walls 23 and 24 which are erected from a base wall 27, and retention pieces 25 and 26 which are projected from the pair of walls. The long retention piece 26 is made thicker than the short retention piece 25, excluding at least its root side. The thick part 55 of the long retention piece 26 is at the half on tip side of the long retention piece.  A projection 52 having a curved peripheral face 52a is made at the tip of the long retention piece 26. A projection 51 having a curved peripheral face 51a is made at the tip of the short retention piece 25.
Patent JP-2002362974-A (JP)
Title: Sintered compact sintered at low temperature
Inventor: TERASHI YOSHITAKE
IPC: C04B35/00
Filed: 2002-06-07
Abstract: PROBLEM TO BE SOLVED: To obtain a sintered compact sintered at a low temperature for high frequencies, which has sufficient mechanical strengths capable of being used as a multilayer circuit board, a low relative dielectric constant in the high frequency region and a low and stable dielectric dissipation factor, and which is produced by being sintered at a low temperature of 800 to 1,000 deg.C, at which it is possible to produce a multilayer board using a wiring conductive material such as Au, Ag or Cu. SOLUTION: This sintered compact is produced by being sintered at a low temperature of 800 to 1,000 deg.C. In the sintered compact sintered at the low temperature, a gahnite crystal phase 1 is contained as a main crystal phase, a cordierite crystal phase 2, a forsterite crystal phase 3 and an enstatite crystal phase 4 are deposited, and a glass phase presents at only triple point. Thereby, the sintered compact has a dielectric constant of <6 at 3 GHz, a dielectric dissipation factor of <=11×10<-4> and a strength of >=260 MPa.
Patent JP-2004011808-A (JP)
Title: Hydraulic pressure controller for transmission
Inventor: MORISE MASARU
IPC: F16H61/00
Filed: 2002-06-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydraulic pressure controller for a transmission capable of suppressing degradation of the response property of original gear shift control when limiting changes of a change gear ratio of the transmission, suppressing increase in the number of parts, and preventing the occurrence of failure.  <P>SOLUTION: This hydraulic pressure controller for the transmission in which oil in a control oil pressure chamber 70 is discharged into a first drain oil passage 93 through a gear shift control valve 72 is provided with a first port 123 communicated with the first drain oil passage 93, a second port 124 communicated with a first drain oil passage 123, a restriction 126 formed in a passage between the first drain oil passage 123 and the second port 124, and a flow rate adjusting mechanism 94 for adjusting a flow rate of oil discharged into a second drain oil passage 128 from the second port 124 by operating in accordance with a difference between pressing force by oil pressure in the first port 123 and pressing force by oil pressure in the second port 124.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004019691-A (JP)
Title: Gas leakage prevention device and gas meter
Inventor: IWAKAWA MEGUMI
IPC: G01F3/22
Filed: 2002-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas leakage prevention device of which installation can be facilitated by incorporating a valve means into a mouth pipe at the entrance of a gas meter, and at the same time, which can surely prevent a gas leakage even if the gas meter is damaged.  <P>SOLUTION: The mouth pipe 2 at the entrance of the gas meter 1 is at least formed of high melting point metals such as steel. The valve means 4 capable of opening and closing a flow passage 3 inside the mouth pipe 2 is internally fitted inside the mouth pipe 2 at the entrance. The gas flow is limited or blocked by blocking the valve means 4 by holding the valve means 4 so as to normally make the valve means 4 to be in an open state, and at the same time, by releasing the holding of a holding means 5 when exposed to a higher temperature.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004018896-A (JP)
Title: Method for forming sputtered film
Inventor: KOTANI AKIHIKO
IPC: H01L21/316
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To reduce particles contaminating a sample (wafer) when forming a sputtered film using a target material containing two or more elements.  <P>SOLUTION: In a chamber, sputtering is performed to form an erosion area different from that formed under a predetermined deposition condition required for forming a desirable sputtered film on a sputtering surface of the target material containing two or more elements. Next, the sputtered film is formed on the surface of the sample under the predetermined film-forming condition.  <P>COPYRIGHT: (C)2004,JPO